DuraVent PelletVent Pro Ceiling Support Firestop Spacer - For Vent Pipes with a 4" Inner Diameter - 4PVP-FS: This unit necessitates a venting pipe with a 4" inner diameter. When vent piping must run through a ceiling, this ceiling support and firestop spacer is required. The item incorporates a support clamp and offers a 1" clearance to combustibles. It's finished in a stylish black and fits PelletVent Pro vent pipes with a 4" inner diameter. This mechanism is used to vent maize or wood pellet-burning stoves and fireplace inserts. The ceiling support is 9" x 9" with a 4.75" pipe opening and comes with a limited lifetime guarantee.

Required when vent piping passes through a ceiling Provides 1" clearance to combustibles Support clamp included Sleek black finish Fits PelletVent Pro Vent Pipes with a 4" inner diameter Limited lifetime warranty Dimensions: 4.75" pipe opening 9" W x 9" L